Novel 2-Cys Peroxiredoxin gene confers biotic and abiotic stress resistance in Penaeus monodon
文献类型： 外文期刊
作者： Zhao, Chao 1 ; Peng, Chao 1 ; Fan, Sigang 1 ; Bu, Ruiqian 1 ; Wang, Pengfei 1 ; Yan, Lulu 1 ; Qiu, Lihua 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploit, Minist Agr, Guangzhou, Peoples R China
2.Shanghai Ocean Univ, Coll Aqua Life Sci & Technol, Shanghai, Peoples R China
3.CAFS, Key Lab Aquat Genom, Minist Agr, Beijing 100141, Peoples R China
关键词： Penaeus monodon; PmPrxn; mRNA expression; Bacteria stimulation; Environmental acute stresses
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.581； 五年影响因子：4.851 ）
ISSN： 1050-4648
年卷期： 2020 年 106 卷
页码：
收录情况： SCI
摘要： Peroxiredoxins (Prxs) are crucial antioxidant proteins that protect against biotic and abiotic stresses in many organisms, ranging from bacteria to mammals. In the present work, a novel 2-Cys Peroxiredoxin gene (PmPrxn), which contains a 153 bp 5'-terminal untranslated region (5'-UTR), a 636 bp open reading frame encoding a protein with 211 amino acids, and an 898 bp 3'-UTR, was successfully identified and characterized in the black tiger shrimp, Penaeus monodon. Tissue-specific expression analysis revealed that the PmPrxn mRNA was ubiquitously expressed and was comparatively highly expressed in the hepatopancreas. To explore the immunity-related and anti-stress roles of PmPrxn, the gills and hepatopancreas were chosen as target tissues in P. monodon and challenged with Vibrio harveyi, Streptococcus agalactiae, and toxic environmental stressors. The results indicate that PmPrxn might play a vital role in response to biotic and abiotic stresses. Furthermore, the antimicrobial and heavy metal toxicity stress-resistance properties of PmPrxn were evaluated and investigated in vitro using a prokaryotic expression system. These results provide useful information that will help further understand the functional mechanisms of PmPrxn in the defense against bacterial pathogens and environmental acute stresses in shrimp.
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